<template>
    <div>
        <h3>商品列表</h3>
        <el-breadcrumb separator="/">
          <el-breadcrumb-item :to="{path:'/home'}">首页</el-breadcrumb-item>
          <el-breadcrumb-item>商品管理</el-breadcrumb-item>
          <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容">
                        <el-button icon="el-icon-search" slot="append"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>

            <el-table :data="goodsList" border stripe >
              <el-table-column type="index"></el-table-column>
              <el-table-column label="商品名称" prop="goods_name"></el-table-column>
              <el-table-column label="商品价格(元)" prop="goods_price" width="120px"></el-table-column>
              <el-table-column label="商品重量" prop="goods_weight" width="95px"></el-table-column>
              <el-table-column label="创建时间" prop="add_time" width="140px">
                  <template slot-scope="scope">
                      {{scope.row.add_time | dateFormat}}
                  </template>
              </el-table-column>
              <el-table-column label="操作" width="125px">
                  <template slot-scope="scope">
                      <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
                      <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeGoods(scope.row.goods_id)"></el-button>
                  </template>
              </el-table-column>
            </el-table>

            <el-pagination :total="total" :current-page="queryInfo.pagenum" 
            :page-size="[3, 5, 10, 15]" @current-change="handleCurrentChange" 
             @size-change="handleSizeChange" layout="total,sizes,prev,pager,next,jumper"></el-pagination>
        </el-card>
    </div>    
</template>
<script>
export default {
    data(){
        return {
            queryInfo: {
                query:'',
                pagenum: 1,
                pagesize: 10
            },
            goodsList: [],
            total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{
                params: this.queryInfo
            })
            if(res.meta.status !== 200){
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeGoods(goods_id){
            const confirmResult = await this.$confirm(
                '请问是否要删除该商品',
                '删除提示',
                {
                    confirmButtonText: '确认删除',
                    cancelButtonText: '取消',
                    type: 'warning'
                }
            ).catch(err => err)
            if(confirmResult != 'confirm'){
                return this.$$message.info('已经取消删除')
            }
            const { data : res } = await this.$http.delete(`goods/${goods_id}`)
            if(res.meta.status !== 200){
                return this.$message.error('删除商品失败')
            }
            this.$message.success('删除商品成功')
            this.getGoodsList()
        },
        goAddPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>
<style lang="less" scoped>

</style>